SDR IPXA2026033150191

Service difficulty report · Strap · Boeing 75724APF

Difficulty date: March 12, 2026
Submitted: April 3, 2026
Operation: Air carrier
Aircraft: N437UP
Make and model: Boeing 75724APF
Aircraft serial: 25468
Aircraft time: 32,154 hours, 21,139 cycles
System (JASC): 5247 · Auxiliary Power Unit (APU) Doors
Part: Strap
Part number: 148N31388000
Condition: Corroded
Location: Zone 800
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAJOR REPAIR, APU INLET DOOR AFT STRAP AT STA 1825 WITH CORROSION. REMOVED CORROSION IAW B757 -200 SRM 51-10 02. OK TO INSTALL REPAIR PARTS AT APU INLET DOOR AFT STRAP STA 1825. COMPLIED WITH EA 757-5380-27-A4405 PRELIM 1 REV - AND COMPLIED WITH ALL REQUIREMENTS IAW B757-200 SRM 53-80-15-2R-1 REPAIR 1, DETAIL L.

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